Home / 1,424,015.64-1,965,160.06-779,422

Finding the Fourth Proportional to 1,424,015.64, 1,965,160.06 and 779,422

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Solution

The fourth proportional to 1,424,015.64, 1,965,160.06 and 779,422 is: 1,075,612.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,015.64 : 1,965,160.06 = 779,422 : x
  2. Step 2: Convert to fraction form
    1,424,015.64/1,965,160.06 = 779,422/x
  3. Step 3: Cross multiply
    1,424,015.64x = 1,965,160.06 × 779,422
  4. Step 4: Simplify right side
    1,424,015.64x = 1,531,688,984,285.32
  5. Step 5: Solve for x
    x = 1,531,688,984,285.32/1,424,015.64
  6. Step 6: Final answer
    x = 1,075,612.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.